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Service bulletin D233

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id616005
Published by NHTSA2001-02-07
Manufacturer's numberD233
Manufacturer's date2000-12-08
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES

NHTSA's summary

SUBJECT REGARDING TRANSMISSION WATER INGRESS THROUGH BREATHER. CONDENSATION FROM AIR CONDITIONING AND WATER FROM A DEEP WADING EVENT CAN FLOW OVER THE TRANSMISSION AND COLLECT ON THE TRANSMISSION BREATHER TUBE ON VEHICLES WITHIN VIN RANGE XA400939 TO 1A452817 AND VEHICLES WITHIN VIN RANGE XA220000 TO 1A299999 AND / OR 1A700000 TO 1A713517. IT CAN THEN MIGRATE UP THE TRANSMISSION TUBE. OVER TIME THESE SMALL WATER DROPLETS CAN CAUSE AN ACCUMULATION OF WATER IN THE TRANSMISSION CAUSING PROBLEMS ASSOCIATED WITH WATER CONTAMINATION -- HARSH GEAR CHANGES, POOR GEAR SELECTION, GEAR SLIP OR LOSS OF DRIVE AND INTERMITTENT FAILURE OF THE PARK LOCK FUNCTION. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission

Vehicles listed
LAND ROVER DISCOVERY II (the catalog's model; the bulletin names a series or trim of it)
LAND ROVER RANGE ROVER

Listing a model year does not mean every vehicle of it is concerned: the document says which.